11222387 has 12 divisors (see below), whose sum is σ = 12432840. Its totient is φ = 10121760.

The previous prime is 11222357. The next prime is 11222417. The reversal of 11222387 is 78322211.

11222387 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11222357) and next prime (11222417).

It is not a de Polignac number, because 11222387 - 2²⁰ = 10173811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11222317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19439 + ... + 20007.

It is an arithmetic number, because the mean of its divisors is an integer number (1036070).

Almost surely, 2^11222387 is an apocalyptic number.

11222387 is a deficient number, since it is larger than the sum of its proper divisors (1210453).

11222387 is a wasteful number, since it uses less digits than its factorization.

11222387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 743 counting only the distinct ones).

The product of its digits is 1344, while the sum is 26.

The square root of 11222387 is about 3349.9831342859. The cubic root of 11222387 is about 223.8867611632.

Adding to 11222387 its reverse (78322211), we get a palindrome (89544598).

The spelling of 11222387 in words is "eleven million, two hundred twenty-two thousand, three hundred eighty-seven".